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US 12,376,710 B2Granted
Dose adjustable dispensing system and methods of using and assembling the same
AssigneeSilgan Dispensing Systems Corporation
InventorsEelco De Man, Eric Rossignol
Life of this patent
Estimating the term…
Abstract
A pump engine having selectable outputs based on the positioning of two components of the pump engine may be assembled for a desired output and incorporated into a pump or pump system made of recyclable materials.
Claims17
A pump engine, comprising:
- an accumulator;
- an accumulator inlet valve seated in the accumulator;
- a lower cone attached to the accumulator, comprising:
- a second spring cone;
- and
- nine lower cone channels, wherein three channels have a first length, three channels have as second length, and three channels have a third length;
- a piston stem extending into a portion of the lower cone, comprising:
- a first spring cone;
- and
- at least one stem flange seated in at least one lower cone channel;
- a piston stop connected to the piston stem;
- a piston connected to the piston stop;
- and
- a spring seated between the first spring cone and the second spring cone.
11 more elements
A pump system, comprising:
- a container;
- a product in the container;
- a pump attached to the container, comprising:
- a pump engine, comprising:
- an accumulator;
- an accumulator inlet valve seated in the accumulator;
- a lower cone attached to the accumulator, comprising:
- a second spring cone;
- and
- nine lower cone channels, wherein three channels have a first length, three channels have as second length, and three channels have a third length;
- a piston stem extending into a portion of the lower cone, comprising:
- a first spring cone;
- and
- at least one stem flange seated in at least one lower cone channel;
- a piston stop connected to the piston stem;
- a piston connected to the piston stop;
- and
- a spring seated between the first spring cone and the second spring cone;
- a closure fixing the pump engine to the container;
- and
- a dispensing head attached to the pump engine.
18 more elements
A method of producing a pump engine, comprising:
- molding an accumulator;
- molding a lower cone, comprising nine lower cone channels, wherein three channels have a first length, three channels have as second length, and three channels have a third length;
- molding a piston stem comprising at least one stem flange;
- molding a spring;
- molding a piston stop;
- molding a piston;
- providing an inlet valve;
- positioning the stem;
- assembling the spring over the stem;
- assembling the lower cone onto the stem, wherein the spring is positioned between the stem and the lower cone;
- assembling piston to the piston stop;
- assembling the piston stop to the stem;
- and
- assembling the accumulator to the lower cone.
11 more elements
Dependencies are inferred from the claim text.